Results 41 to 50 of about 7,775,382 (304)
Creación de índices de gestión hospitalaria mediante análisis de componentes principales
, 2002 Objetivo. Obtener indices utiles para la gestion hospitalaria basados en tecnicas estadisticas multivariantes descriptivas. Material y metodos.
J. Almenara-Barrios +3 more
semanticscholar +1 more source
Retención de componentes principales para variables discretas [PDF]
, 2011 The present study discusses retention criteria for principal components analysis (PCA) applied to Likert scale items typical in psychological questionnaires. The main aim is to recommend applied researchers to restrain from relying only on the eigenvalue-
Leiva, David +3 more
core +1 more source
By dawn or dusk—how circadian timing rewrites bacterial infection outcomes
FEBS Letters, EarlyView.The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo +2 more
wiley +1 more source
Acta Agronómica, 2015 En sistemas productivos del Piedemonte de los Llanos Orientales de Colombia se evaluaron varios indicadores para determinar la calidad de los suelos de la región. Para el efecto, en un muestreo aleatorio se incluyeron once sistemas y en cada uno de ellos
Diego David Jamioy Orozco +2 more
doaj +1 more source
Optimización Multi-objetivo, aplicando Análisis de Componentes Principales [PDF]
, 2018 El siguiente escrito contiene la definición, objetivos y propiedades de la técnica de reducción de variables mediantes el análisis de componentes principales.
Delgado E., Leonel
core
Mechanisms of parasite‐mediated disruption of brain vessels
FEBS Letters, EarlyView.Parasites can affect the blood vessels of the brain, often causing serious neurological problems. This review explains how different parasites interact with and disrupt these vessels, what this means for brain health, and why these processes matter. Understanding these mechanisms may help us develop better ways to prevent or treat brain infections in ...
Leonor Loira +3 more
wiley +1 more source
Análisis de componentes principales funcionales en series de tiempo económicas [PDF]
, 2015 El análisis de datos funcionales ha cobrado gran relevancia en los últimos años, convirtiéndose en un importante campo de investigación en la Estadística.
Chávez-Chong, Cristina O. +2 more
core
, 2010 The present work is about the statistical processing of categorical data. The mathematical details of the Categorical Principal Components and the Categorical Regression Analysis are explained.
Juan Manuel Retana Céspedes +2 more
semanticscholar +1 more source
Revista Colombiana de Ciencias Pecuarias, 2007 Resumen En este trabajo se presente la metodología de Análisis de Componentes Principales (ACP) y su aplicación en la construcción de un Índice de Selección (IS) en ganado criollo Romosinuano.
F. España, C. M. Perdomo
semanticscholar +1 more source
The newfound relationship between extrachromosomal DNAs and excised signal circles
FEBS Letters, EarlyView.Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley +1 more source